<template>
  <div class="mui-numbox" data-numbox-min="1" :data-numbox-max="max">
    <button class="mui-btn mui-btn-numbox-minus" type="button">-</button>
    <input
      id="test"
      class="mui-input-numbox"
      type="number"
      value="1"
      @change="countChanged"
      ref="numbox"
    />
    <button class="mui-btn mui-btn-numbox-plus" type="button">+</button>
  </div>
</template>
<script>
import mui from '../../lib/mui/js/mui.min.js'
export default {
    mounted(){
      // 初始化数字输入框
      mui('.mui-numbox').numbox()
    },
    methods: {
      countChanged(){
        this.$emit('getcount',parseInt(this.$refs.numbox.value))
      }
    },
    props: ['max'],
    watch: {
      //属性监听
      max: (newVal,oldVal) => {
         // 使用 JS API 设置 numbox 的最大值
        mui(".mui-numbox").numbox().setOption("max", newVal);
      }
    }
}
</script>
<style lang="scss" scoped>
</style>
